46K views · 1.1K reactions |  In these uncertain times, here's a wonderful reminder of the power of the human voice Here's a taste, from bass through to soprano... | Royal Ballet And Opera | Facebook

15K views · 178 reactions | Crows are one of the few species that can imitate the human voice to perfection, but this crow did not go viral because of what it said, but how endearing its voice is. | The Kiwi | Facebook

26K views · 268 reactions | The first known voice recording was made by the French inventor Edouard-Leon Scott de Martinville in on April 9, 1860. An excerpt of the popular French folk song 'Au Claire de la Lune' was recorded on Scott de Martinville's invention called 'phonautograph' in the form of lines that were drawn by a stylus on a paper covered in soot. This recording has been preserved at the French Academy of Sciences since 1861.RFI went to see and hear it. | RFI English | Facebook

65K views · 88 reactions | Why is the dynamic range and the sound pressure level of the human voice important in order to choose the right microphones - and placing them right? | DPA Microphones | Facebook